What powers keller-brennholz.de?
Last seen Oct 2026 · 27 technologies across 17 categories
Analytics
Google Analytics
since Apr 2024
CDN
CMS
Strato Website
since Sep 2022
Ecommerce
Cart Functionality
since Apr 2024
Ecwid
since Apr 2024
Font scripts
Font Awesome
since Sep 2022
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2024
Miscellaneous
Open Graph
since Sep 2022
PWA
since Apr 2024
Operating systems
UNIX
since Sep 2022
PaaS
Amazon Web Services
since Apr 2024
Strato
since Sep 2022
Performance
Priority Hints
since Apr 2024
Programming languages
Security
Cloudflare Bot Management
since Oct 2026
HSTS
since Apr 2024
Tag managers
Google Tag Manager
since Apr 2024
Web frameworks
Microsoft ASP.NET
since Oct 2024
Web servers
Nginx
since Apr 2024
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Diffbot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
The other 24 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.28 / 10 · ranked #64,219,391 of all domains
0 referring domains · OpenPageRank
Page
- Language: German
- Weight: 7.3 MB · 114 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.218.148.157)
- DNS: STRATO
- Email: STRATO
- Email security: no SPF record, DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 114,982,995
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| keller-brennholz.de | 20 |
| www.keller-brennholz.de | 10 |